Preheat oven to 350 degrees F/ 170 degrees C/gas mark 4.

Grease and flour two 8 or 9-inch rounds. Put aside.

Sift together all of the dry ingredients except the sugar. Set that aside too.

Mix all the wet ingredients together in a bowl, including the mashed avocado.

Add sugar into the wet mix and stir.

Mix the wet with the dry, and beat with a whisk until smooth.

Pour batter into a greased cake tins.

Bake for 30 to 40 minutes, until a toothpick inserted comes out clean.

Let cakes cool.

Add icing when cool.